This is more just an idea for something you guys can keep your eyes out for at garage sales (old pie tins). I would really like to have a wall like this (old pie tins as frames) but have yet to run into any tins.

If you live in a small house and have a tiny balcony, have you ever thought about how to better utilize it? Get it well-decorated and become your favorite place? Balcony oasis lets you enjoy the fresh air and sun,